MAWC, STIEFFERMAN SUBDIVISION WWTP, Jefferson City, MO: NPDES MOGDS0044 discharge permit, effluent exceedances, inspections, penalties

MAWC, STIEFFERMAN SUBDIVISION WWTP, Jefferson City, Missouri: General permit coverage MOGDS0044, held by MISSOURI-AMERICAN WATER COMPANY; Effective; issued July 1, 2024, term to June 30, 2029; discharges to Tributary to Moreau R..

6 of the 8 pollutants listed for NPDES MOGDS0044 have no violation or effluent exceedance.

• Nitrogen, ammonia total [as N]: 8 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2026, largest 413% over the limit.
• E. coli: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2025, largest 99,999% over the limit.
• Oxygen, dissolved [DO]: 2 limits.
• BOD, 5-day, 20 deg. C: 2 limits.
• pH: 2 limits.
• Solids, total suspended: 2 limits.
• Flow, in conduit or thru treatment plant: 2 limits.
• Chlorine, total residual: 2 limits.

• September 9, 2026: Effluent Violations - Numeric effluent violation (ST6).
• August 21, 2026: Evaluation (S).

Other permits held by MISSOURI-AMERICAN WATER COMPANY

• THE HIGHLANDS WWTF, Holts Summit: MO0039012, issued 2025-05-21
• MAWC, GARDEN CITY WWTF, Garden City: MO0046647, issued 2021-03-01
• MAWC, LAWSON LAGOON, Lawson: MO0091031, issued 2019-07-15
• MAWC, WILLIBRAND ACRES WWTP, Jefferson City: MO0097411, issued 2020-12-11
• MAWC, INCLINE VILLAGE NO. 2 WWTF, Foristell: MO0100358, issued 2024-04-01
• MAWC, STEWARTSVILLE WWTF, Stewartsville: MO0108880, issued 2019-10-09
• MAWC SADDLEBROOKE WWTP, Saddlebrooke: MO0128937, issued 2019-11-20
• MAWC, TAOS WWTF, Taos: MO0136611, issued 2022-04-14
• MAWC, THE HILL AT WILBER'S FARM, Jefferson City: MOGDS0002, issued 2024-07-01
• RYAN'S LAKE SUBDIVISION WWTP, New Bloomfield: MOGDS0015, issued 2024-07-01

MAWC, STIEFFERMAN SUBDIVISION WWTP among its neighbors

52 discharge permits are in the Moreau River subwatershed (HUC 103001021207); MOGDS0044 is one. Its county: 236, 0 major; MOGDS0044 is minor permit.

Other permits in the Moreau River subwatershed (HUC 103001021207)

• BIRCH CREEK TOWNHOMES, Wardsville: MORA20583, minor, term to 2027-02-07
• BLAIR OAKS HIGH SCHOOL, Jefferson City: MORA27052, minor, term to 2027-02-07
• CALVARY LUTHERAN HIGH SCHOOL 2026, Jefferson City: MORA30211, minor, term to 2027-02-07
• CAPITAL MATERIALS - JEFFERSON CITY, Jefferson City: MOG491541, minor, term to 2027-04-30
• CAPITAL MATERIALS - JEFFERSON CITY, Jefferson City: MORA21593, minor, term to 2027-02-07
• CAPITAL MATERIALS CHRISTY ROUTE B PLANT, Jefferson City: MOG491243, minor, term to 2027-04-30
• CAPITAL MATERIALS LLC HWY 54 S PLANT, Jefferson City: MOG490181, minor, term to 2027-04-30
• CAPITAL QUARRIES CO INC ALGOA QUARRY, Jefferson City: MOG490692, minor, term to 2022-04-30
• CAPITAL QUARRIES COMPANY, Jefferson City: MOG490988, minor, term to 2011-10-05
• CHRISTY COMMERCIAL PLAZA, Jefferson City: MORA21230, minor, term to 2027-02-07